Home / 255,502,399.46-383,256,640.47-71,258,665.73

Finding the Fourth Proportional to 255,502,399.46, 383,256,640.47 and 71,258,665.73

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Solution

The fourth proportional to 255,502,399.46, 383,256,640.47 and 71,258,665.73 is: 106,888,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,502,399.46 : 383,256,640.47 = 71,258,665.73 : x
  2. Step 2: Convert to fraction form
    255,502,399.46/383,256,640.47 = 71,258,665.73/x
  3. Step 3: Cross multiply
    255,502,399.46x = 383,256,640.47 × 71,258,665.73
  4. Step 4: Simplify right side
    255,502,399.46x = 27,310,356,832,054,524
  5. Step 5: Solve for x
    x = 27,310,356,832,054,524/255,502,399.46
  6. Step 6: Final answer
    x = 106,888,846.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.